- * Mac OSX (and perhaps other Mach instances) doesn't have a debuggable
- * value at the first 4 bytes of pthread_self()'s return value, a pthread_t.
- * pthread_t is supposed to be opaque... but it's fairly random, though, so
- * we make it mostly presentable.
+ * Mac OSX (and perhaps other Mach instances) doesn't have a unique
+ * value at the lowest order 4 bytes of pthread_self()'s return value, a pthread_t.
+ * pthread_t is supposed to be opaque... however it's fairly random.
+ * The following will address these two issues to make it mostly presentable.